(x, y) → (-x, -y) - 180° Rotation, (x, y) → (-y, x) - 90° Counterclockwise Rotation, (x, y) → (y, -x) - 270° Counterclockwise Rotation, 90° Clockwise  - (x, y) → (y, -x), 270° Clockwise - (x, y) → (-y, x),

Rotation Rules

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？